Access Modifiers

Question 1

4 different types of access modifiers in least to most restrictive order

Answer 1

public
protected
default
private

Question 2

can classes and interfaces be private

Answer 2

no

Question 3

what does it mean when a variable is private

Answer 3

hidden from the outside world

Question 4

from where can private variables be accessed

Answer 4

within the class it was declared

Question 5

how can private variables be accessed from outside its declared class

Answer 5

using access modifiers

Question 6

where are default variables available

Answer 6

to any other class in the same package

Question 7

what is a package

Answer 7

a collection of classes

Question 8

can protected be used on a class

Answer 8

no

Question 9

what can protected be used on

Answer 9

variables, constructors, methods

Question 10

what are public variables accessable to

Answer 10

any other class in the same package

Question 11

with regard to objects, where can public attributes be accessed

Answer 11

anywhere in the program that has a reference to the objevt

Question 12

with regard to objects, where can private attributes be accessed

Answer 12

only within the class itself

Question 13

with regard to objects, how can protected attributes be accessed

Answer 13

within the class and any subclasses

Question 14

are setters and getters needed with protected variables in classes

Answer 14

no